404 GET /nbextensions/widgets/notebook/js/extension.js

Hello all,

I am getting this error whenever I start jupyter notebook:

404 GET /nbextensions/widgets/notebook/js/extension.js?v=20210106171402 ( 14.260000ms referer=http://localhost:8888/notebooks/Downloads/Untitled.ipynb

What should I do to fix it?

Thank you!

I have the same issue here since last year. However, maybe the answer is in: 404 GET nbextensions/widgets/notebook/js/extension.js every time I open a notebook · Issue #186 · jupyter/help · GitHub